Figure 7-8. Sequential Decoding At 2048 Kbps - Comtech EF Data CDM-625 Installation And Operation Manual

CDM-625 Advanced Satellite Modem
Forward Error Correction Options
1
1E-1
1E-2
Performance
1E-3
1E-4
1E-5
1E-6
1E-7
1E-8
1E-9
1
BER
2 3 4 5
Uncoded BPSK/QPSK
Typical
Specification limit,
Rate 1/2 Coding
QPSK, OQPSK
2 3 4 5

Figure 7-8. Sequential Decoding at 2048 kbps

6 7 8
Sequential Decoding
2048 kbps,
QPSK, OQPSK
6 7 8
7–21
Revision 13
MN-CDM625
Eb/No in dB
9 10 11 12
Specification limit,
Rate 7/8 Coding
QPSK, OQPSK
Specification limit,
Rate 3/4 Coding
QPSK, OQPSK
9 10 11 12